package org.example.service;

import org.springframework.stereotype.Service;

@Service
public class BookService {
    public void  addBook(String book) {
        System.out.println("正在添加图书:" + book);
    }
    public  void  deleteBook(String book) {
        System.out.println("正在删除图书:" + book);
    }
    public  void  updateBook(String book) {
        System.out.println("正在更新图书:" + book);
    }

}
